TABLE 1.

Penicillin, amoxicillin, and cefotaxime susceptibilities

Isolate type and source of isolate	No. of isolates	No. of isolates that are intermediate (I) or resistant (R) to:
		Penicillin G		Amoxicillin		Cefotaxime
		I (%)	R (%)	I (%)	R (%)	I (%)	R (%)
Invasive
CSF	54	9 (16.6)	6 (11.1)	0	0	4 (7.4)	0
Blood	45	2 (4.4)	1 (1.8)	0	0	1 (1.8)	0
Pleural fluid	18	3 (16.6)	0	0	0	0	0
Othera	6	0	0	0	0	0	0
All	123	14 (11.4)	7 (5.7)	0	0	5 (4)	0
Noninvasive
Middle ear	97	24 (24.7)	4 (4.1)	1 (1)	0	2 (2)	0
Otherb	48	17 (35.4)	5 (10.4)	0	0	4 (8.3)	0
Lower respiratoryc	41	13 (31.7)	13 (31.7)	4 (9.7)	0	7 (17)	3 (7.3)
All	186	64 (34.4)	22 (11.8)	5 (2.7)	0	13 (7)	3 (1.6)

^aAscitic fluid, joint fluid, and pericardic fluid.

^bGenital, skin, and eye.

^cFibroscopic aspirate and sputum.